12201126 has 32 divisors (see below), whose sum is σ = 27993600. Its totient is φ = 3472896.

The previous prime is 12201089. The next prime is 12201131. The reversal of 12201126 is 62110221.

12201126 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18535 + ... + 19181.

It is an arithmetic number, because the mean of its divisors is an integer number (874800).

Almost surely, 2^12201126 is an apocalyptic number.

12201126 is an abundant number, since it is smaller than the sum of its proper divisors (15792474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12201126 is a wasteful number, since it uses less digits than its factorization.

12201126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 12201126 is about 3493.0110220267. The cubic root of 12201126 is about 230.2148339262.

Adding to 12201126 its reverse (62110221), we get a palindrome (74311347).

It can be divided in two parts, 1220 and 1126, that added together give a triangular number (2346 = T₆₈).

The spelling of 12201126 in words is "twelve million, two hundred one thousand, one hundred twenty-six".